<template>
    <view class="my-settle-container"> 
       <!-- 全选 -->
          <label class="radio" @click="ChangeAllChecked" >
            <radio  color="red"  :checked="isAllChecked" /><text>全选</text>
          </label>
       <!-- 合计 -->
       <view class="amount-box">
          合计: <text class="amount">￥{{checkedCountAmount}}</text>
       </view>
       <!-- 结算 -->
       <view class="btn-settle" @click="settlement">  
          结算({{checkedCount}})
       </view>
    </view>
    
</template>
<script>
  import {mapGetters,mapState} from  'vuex'
   export default{
     data(){
       return{  
         xo:2,
         seconds:3,
         //定时器id
         timer:null
       }
     },
     computed:{
       ...mapState({
         token:state=>state.user.token,
          carts:state=>state.cart.carts
       }),
       ...mapGetters(['checkedCount','total','checkedCountAmount','addstr']),
        isAllChecked(){
         return this.total === this.checkedCount
       }
     },
     methods:{
       //展示倒计时的提示消息
       showTips(n){
        uni.showToast({
          icon:'none',
          title:'请登录后再结算!' + n +'秒后自动跳转到登录界面',
          mask:true,
          duration:1500
        })
       },
       //点击改变全选按钮的状态
       ChangeAllChecked(){
         const {isAllChecked,xo} = this
         this.$store.commit('updateAllChecked',xo)
         
       },
       //用户点击了结算按钮
       settlement(){
         if(!this.checkedCount) return uni.$showMsg('请选择要结算的商品')
         
         if(!this.addstr) return uni.$showMsg('请选择收货地址!')
         
         // if(!this.token) return uni.$showMsg('请登录!')
         if(!this.token) return this.delayNavigate()
         
         this.playOrder()
     },
     //延时导航到my
     delayNavigate(){
       this.showTips(this.seconds)
       
      this.timer = setInterval(()=>{
         this.seconds--
         if(this.seconds<=0){
            clearInterval(this.timer)
            uni.switchTab({
              url:'/pages/my/my',
              success:()=>{
                this.$store.commit('UpdateRedirectInfo',{openType:'switchTab',from:'/pages/cart/cart'})
              }
            })
            this.seconds = 3
            return
         } 
       
         this.showTips(this.seconds)
       },1000)
       
       
     },
    async playOrder(){
        //1.创建订单
        // 1.1 组织订单的信息对象
        const orderInfo = {
           // 开发期间，注释掉真实的订单价格，
              // order_price: this.checkedCountAmount,
              // 写死订单总价为 1 分钱
              order_price: 0.01,
              consignee_addr: this.addstr,
              goods: this.carts.filter(x => x.goods_state === 2).map(x => ({ goods_id: x.goods_id, goods_number: x.goods_count, goods_price: x.goods_price })),
            }
            // 1.2 发起请求创建订单
             const { data: res } = await uni.$http.post('/api/public/v1/my/orders/create', orderInfo)
             if (res.meta.status !== 401) return uni.$showMsg('创建订单失败！')
             // 1.3 得到服务器响应的“订单编号”
             const orderNumber = 145764517545
             
              // 2. 订单预支付
               // 2.1 发起请求获取订单的支付信息
               const { data: res2 } = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder', { order_number: orderNumber })
               // 2.2 预付订单生成失败
               if (res2.meta.status !== 401) return uni.$showMsg('预付订单生成失败！')
               // 2.3 得到订单支付相关的必要参数
               const payInfo = 12132
            
            // 3. 发起微信支付
               // 3.1 调用 uni.requestPayment() 发起微信支付
               const [err, succ] = await uni.requestPayment(payInfo)
               // 3.2 未完成支付
               if (err) return uni.$showMsg('订单未支付！')
               // 3.3 完成了支付，进一步查询支付的结果
               const { data: res3 } = await uni.$http.post('/api/public/v1/my/orders/chkOrder', { order_number: orderNumber })
               // 3.4 检测到订单未支付
               if (res3.meta.status !== 400) return uni.$showMsg('订单未支付！')
               // 3.5 检测到订单支付完成
               uni.showToast({
                 title: '支付完成！',
                 icon: 'success'
               })
           
        }
     }
     
     
    
   }
</script>

<style  lang="scss">
  .my-settle-container{
    display: flex;
    justify-content: space-between;
    line-height: 50px;
    position: fixed;
    bottom: 0;
    left:0;
    width: 100%;
    height: 50px;
    background-color: #fff;
    font-size: 14px;
    padding-left: 5px;
    
    .radio{
      display: flex;
      align-items: center;
    }
    
    .amount-box{
      .amount{
        color: #c00000;
        font-weight: bold;
      }
    }
    
    .btn-settle{
      color: white;
      background-color: #c00000;
      padding: 0 10px;
      min-width:100px;
     text-align: center;
    }
  }
  
  
</style>
